diff --git a/src/blockfile/ODPCMAliasBlockFile.cpp b/src/blockfile/ODPCMAliasBlockFile.cpp
index e3d08b682..e65ee6b8f 100644
--- a/src/blockfile/ODPCMAliasBlockFile.cpp
+++ b/src/blockfile/ODPCMAliasBlockFile.cpp
@@ -414,7 +414,7 @@ void ODPCMAliasBlockFile::WriteSummary()
       wxPrintf("Unable to write summary data to file: %s", fileNameChar.get());
 
       throw FileException{
-         FileException::Cause::Read, wxFileName{ fileNameChar.get() } };
+         FileException::Cause::Open, wxFileName{ fileNameChar.get() } };
    }
 
    ArrayOf<char> cleanup;